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. Author manuscript; available in PMC: 2009 Sep 22.
Published in final edited form as: Invest Ophthalmol Vis Sci. 2003 Sep;44(9):4061–4068. doi: 10.1167/iovs.03-0124

Figure 4.

Figure 4

Three computed images, centered on the optic nerve head and comparing the visibility of features, in a 61-year-old man with normal eyes. (A) Depolarized light image, (B) parallel polarized light image, and (C) average relative reflectance image. Arrows: actual sample locations for the statistical analysis. The comparison locations for computing contrast are adjacent to the sampled regions, but positioned to avoid other obvious structures such as blood vessels. These regions are not marked with arrows, because the arrows would overlap.